Add kubevirt test

Some minor refactoring of _functions.sh was done to allow setup and
related functions to use the "vmi" resource type in addition to the
"deployment" type.

Issue-ID: MULTICLOUD-1324
Signed-off-by: Todd Malsbary <todd.malsbary@intel.com>
Change-Id: I42b5ef1c48412675a095f2aab68a0efdfdbe0df9

3 files changed, 174 insertions, 20 deletions

diff --git a/kud/tests/_common.sh b/kud/tests/_common.sh
index ff975544..efeded6f 100644
--- a/kud/tests/_common.sh
+++ b/kud/tests/_common.sh
@@ -16,9 +16,11 @@ packetgen_deployment_name=packetgen
 sink_deployment_name=sink
 firewall_deployment_name=firewall
 image_name=virtlet.cloud/ubuntu/16.04
+kubevirt_image=integratedcloudnative/fedora:33
 multus_deployment_name=multus-deployment
 virtlet_image=virtlet.cloud/fedora
 virtlet_deployment_name=virtlet-deployment
+kubevirt_vmi_name=kubevirt-vmi
 plugin_deployment_name=plugin-deployment
 plugin_service_name=plugin-service
 ovn4nfv_deployment_name=ovn4nfv-deployment
@@ -980,6 +982,72 @@ DEPLOYMENT
     popd
 }
 
+# populate_CSAR_kubevirt() - This function creates the content of CSAR file
+# required for testing Kubevirt feature
+function populate_CSAR_kubevirt {
+    local csar_id=$1
+
+    _checks_args $csar_id
+    pushd ${CSAR_DIR}/${csar_id}
+
+    cat << META > metadata.yaml
+resources:
+  virtualmachineinstance:
+    - $kubevirt_vmi_name.yaml
+META
+
+    cat << DEPLOYMENT > $kubevirt_vmi_name.yaml
+apiVersion: kubevirt.io/v1
+kind: VirtualMachineInstance
+metadata:
+  name: $kubevirt_vmi_name
+spec:
+  domain:
+    cpu:
+      model: host-passthrough
+    devices:
+      disks:
+      - disk:
+          bus: virtio
+        name: rootfs
+      - disk:
+          bus: virtio
+        name: cloudinit
+      interfaces:
+      - name: default
+        masquerade: {}
+    resources:
+      requests:
+        memory: 256M
+  networks:
+  - name: default
+    pod: {}
+  volumes:
+    - name: rootfs
+      containerDisk:
+        image: $kubevirt_image
+        imagePullPolicy: IfNotPresent
+    - name: cloudinit
+      cloudInitNoCloud:
+        userData: |
+          #cloud-config
+          ssh_pwauth: True
+          users:
+          - name: testuser
+            gecos: User
+            primary-group: testuser
+            groups: users
+            lock_passwd: false
+            shell: /bin/bash
+            # the password is "testuser"
+            passwd: "\$6\$rounds=4096\$wPs4Hz4tfs\$a8ssMnlvH.3GX88yxXKF2cKMlVULsnydoOKgkuStTErTq2dzKZiIx9R/pPWWh5JLxzoZEx7lsSX5T2jW5WISi1"
+            sudo: ALL=(ALL) NOPASSWD:ALL
+          runcmd:
+            - echo hello world
+DEPLOYMENT
+    popd
+}
+
 # populate_CSAR_plugin()- Creates content used for Plugin functional tests
 function populate_CSAR_plugin {
     local csar_id=$1
diff --git a/kud/tests/_functions.sh b/kud/tests/_functions.sh
index 10f8e090..1a803173 100755
--- a/kud/tests/_functions.sh
+++ b/kud/tests/_functions.sh
@@ -172,25 +172,31 @@ function _checks_args {
     mkdir -p ${CSAR_DIR}/${1}
 }
 
+function _destroy {
+    local type=$1
+    local name=$2
+
+    echo "$(date +%H:%M:%S) - $name : Destroying $type"
+    kubectl delete $type $name --ignore-not-found=true --now
+    while kubectl get $type $name &>/dev/null; do
+        echo "$(date +%H:%M:%S) - $name : Destroying $type"
+    done
+}
+
 # destroy_deployment() - This function ensures that a specific deployment is
 # destroyed in Kubernetes
 function destroy_deployment {
     local deployment_name=$1
 
-    echo "$(date +%H:%M:%S) - $deployment_name : Destroying deployment"
-    kubectl delete deployment $deployment_name --ignore-not-found=true --now
-    while kubectl get deployment $deployment_name &>/dev/null; do
-        echo "$(date +%H:%M:%S) - $deployment_name : Destroying deployment"
-    done
+    _destroy "deployment" $deployment_name
 }
 
-# recreate_deployment() - This function destroys an existing deployment and
-# creates an new one based on its yaml file
-function recreate_deployment {
-    local deployment_name=$1
+function _recreate {
+    local type=$1
+    local name=$2
 
-    destroy_deployment $deployment_name
-    kubectl create -f $deployment_name.yaml
+    _destroy $type $name
+    kubectl create -f $name.yaml
 }
 
 # wait_deployment() - Wait process to Running status on the Deployment's pods
@@ -271,26 +277,40 @@ function wait_for_deployment_status {
     exit 1
 }
 
-# setup() - Base testing setup shared among functional tests
-function setup {
+function setup_type {
+    local type=$1
+    shift;
+
     if ! $(kubectl version &>/dev/null); then
         echo "This funtional test requires kubectl client"
         exit 1
     fi
-    for deployment_name in $@; do
-        recreate_deployment $deployment_name
+    for name in $@; do
+        _recreate $type $name
     done
     sleep 5
-    for deployment_name in $@; do
-        wait_deployment $deployment_name
+    for name in $@; do
+        wait_deployment $name
     done
 }
 
+function teardown_type {
+    local type=$1
+    shift;
+
+    for name in $@; do
+        _destroy $type $name
+    done
+}
+
+# setup() - Base testing setup shared among functional tests
+function setup {
+    setup_type "deployment" $@
+}
+
 # teardown() - Base testing teardown function
 function teardown {
-    for deployment_name in $@; do
-        destroy_deployment $deployment_name
-    done
+    teardown_type "deployment" $@
 }
 
 # check_ip_range() - Verifying IP address in address range
diff --git a/kud/tests/kubevirt.sh b/kud/tests/kubevirt.sh
new file mode 100755
index 00000000..fbcf1bf6
--- /dev/null
+++ b/kud/tests/kubevirt.sh
@@ -0,0 +1,66 @@
+#!/bin/bash
+# SPDX-license-identifier: Apache-2.0
+##############################################################################
+# Copyright (c) 2021
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+source _common.sh
+source _functions.sh
+
+csar_id=07f9cfe1-25f6-41fe-b4da-e61a2c94c319
+
+# Setup
+populate_CSAR_kubevirt $csar_id
+
+pushd ${CSAR_DIR}/${csar_id}
+
+# Under automation, the VMI CRD may not be defined yet and setup_type
+# will fail.  Retry to workaround this.
+tries=3
+interval=10
+for ((try=1;try<=$tries;try++)); do
+    echo "try $try/$tries: setup test VMI"
+    sleep $interval
+    if setup_type "vmi" $kubevirt_vmi_name; then
+        break
+    fi
+done
+if (($try > $tries)); then
+    echo "setup failed"
+    exit 1
+fi
+
+# Test
+master_ip=$(kubectl cluster-info | grep "Kubernetes master" | awk -F '[:/]' '{print $4}')
+deployment_pod=$(kubectl get pods | grep $kubevirt_vmi_name | awk '{print $1}')
+echo "Pod name: $deployment_pod"
+echo "ssh testuser@$(kubectl get pods $deployment_pod -o jsonpath="{.status.podIP}")"
+echo "kubectl virt console $kubevirt_vmi_name"
+
+tries=30
+interval=60
+for ((try=1;try<=$tries;try++)); do
+    echo "try $try/$tries: Wait for $interval seconds to check for ssh access"
+    sleep $interval
+    if sshpass -p testuser ssh -o ProxyCommand="ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -W %h:%p $master_ip" -o StrictHostKeyChecking=no testuser@$(kubectl get pods $deployment_pod -o jsonpath="{.status.podIP}") -- uptime; then
+        echo "ssh access check is success"
+        break
+    fi
+done
+if (($try > $tries)); then
+    echo "ssh access check failed"
+    exit 1
+fi
+
+popd
+
+# Teardown
+teardown_type "vmi" $kubevirt_vmi_name